1#!@@GOODSH@@
2# -*- sh -*-
3#
4# Plugin for watching io-bound traffic (in bytes) on disks.
5#
6# Parameters:
7#
8# 	config   (required)
9# 	autoconf (optional - used by munin-config)
10#
11# $Log: iostat.in,v $
12# Revision 1.1.1.1  2006/06/04 20:53:57  he
13# Import the client version of the Munin system monitoring/graphing
14# tool -- project homepage is at http://munin.sourceforge.net/
15#
16# This package has added support for NetBSD, via a number of new plugin
17# scripts where specific steps needs to be taken to collect information.
18#
19# I also modified the ntp_ plugin script to make it possible to not
20# plot the NTP poll delay, leaving just jitter and offset, which IMO
21# produces a more telling graph.
22#
23#
24# Magick markers (optional - used by munin-config and som installation
25# scripts):
26#%# family=auto
27#%# capabilities=autoconf
28
29if [ "$1" = "autoconf" ]; then
30    if [ -x /usr/sbin/iostat ]; then
31	echo yes
32	exit 0
33    else
34	echo "no (no /usr/sbin/iostat executable)"
35	exit 0
36    fi
37fi
38
39nf=`/usr/sbin/iostat -I -x | tail -1 | awk '{ print NF }'`
40if [ $nf -eq 5 ]; then
41    oldformat=true
42else
43    oldformat=false
44fi
45
46if [ "$1" = "config" ]; then
47
48    echo 'graph_title IOstat by bytes'
49    echo 'graph_args --base 1024 -l 0'
50
51    if ! $oldformat; then
52	echo 'graph_vlabel MB per ${graph_period} read (-) / written (+)'
53    else
54	echo 'graph_vlabel MB per ${graph_period} read+written'
55    fi
56
57    echo 'graph_category disk'
58    echo 'graph_info This graph shows the I/O to and from block devices'
59
60    drives=`/usr/sbin/iostat -I -x | awk '
61/^device/ { next; }
62// { print $1; }'`
63
64    echo -n 'graph_order'
65    for d in $drives; do
66	if $oldformat; then
67	    echo -n ' '${d}'_io'
68	else
69	    echo -n ' '${d}'_read '${d}'_write'
70	fi
71    done
72    echo
73
74    if $oldformat; then
75	for d in $drives; do
76	    echo "${d}_io.label ${d}"
77	    echo "${d}_io.info I/O on device ${d}"
78	    echo "${d}_io.type DERIVE"
79	    echo "${d}_io.max 2000"
80	    echo "${d}_io.min 0"
81	done
82    else
83	for d in $drives; do
84	    echo "${d}_read.label ${d}"
85	    echo "${d}_read.type DERIVE"
86	    echo "${d}_read.max 2000"
87	    echo "${d}_read.min 0"
88	    echo "${d}_read.graph no"
89
90	    echo "${d}_write.label ${d}"
91	    echo "${d}_write.info I/O on device ${d}"
92	    echo "${d}_write.type DERIVE"
93	    echo "${d}_write.max 2000"
94	    echo "${d}_write.min 0"
95	    echo "${d}_write.negative ${d}_read"
96	done
97    fi
98    exit 0
99fi
100
101if $oldformat; then
102    /usr/sbin/iostat -I -x | awk '
103/^device/ { next; }
104{
105    print $1 "_io.value " int($5);
106}
107'
108else
109    /usr/sbin/iostat -I -x | awk '
110/^device/ { next; }
111{
112    print $1 "_read.value " int($5);
113    print $1 "_write.value " int($9);
114}
115'
116fi
117